CN101827150A - Mobile phone with blind guide function and blind guide method - Google Patents
Mobile phone with blind guide function and blind guide method Download PDFInfo
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- CN101827150A CN101827150A CN200910004541A CN200910004541A CN101827150A CN 101827150 A CN101827150 A CN 101827150A CN 200910004541 A CN200910004541 A CN 200910004541A CN 200910004541 A CN200910004541 A CN 200910004541A CN 101827150 A CN101827150 A CN 101827150A
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- G08G1/00—Traffic control systems for road vehicles
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Abstract
The invention relates to a mobile phone with blind guide function and a blind guide method. A blind guide module in a mobile phone comprises a road condition signal acquisition module, a data acquisition processing control module and an information prompt module, wherein the road condition acquisition module transmits ultrasonic signals with different frequencies to air in different directions and converts return signals reflected back by obstacles into road condition information electric signals to be output; the data acquisition processing control module calculates and analyzes the input road condition information electric signals, converts the input road condition information electric signals into obstacle information, classifies and encodes the obstacle information according to the prestored various blind guide parameter ranked data, and generates road condition information to be output; and the information prompt module decodes the input road condition information, generates different audio sequence signals and/or different ranked vibration sequence signals, and prompts an user through a mobile phone module. The invention has the advantages that the road condition information of all environments can be rapidly and accurately provided for visually impaired users and the prompt effect can be obviously improved.
Description
Technical field
The present invention relates to have the mobile phone and the blind-guiding method of guiding function, and be integrated in the blind-guide device in the mobile phone.
Background is smeared art
Multiple electronics blind-guide device is arranged in the market, comprised mobile phone or other mobile terminal apparatus of guide module integrated.On July 23rd, 2008, disclosed number of patent application was that 200710062852.3 Chinese patent application " guide mobile phone and blind-guiding method " discloses a kind of guide mobile phone, comprised baseband processing module, voice output module, range sensor and photographing module; Wherein, range sensor is used to survey the place ahead barrier, and result of detection is sent to baseband processing module; Photographing module is used to gather the view data of the place ahead barrier, and the view data of gathering is sent to baseband processing module; Baseband processing module is used for obtaining according to described result of detection the range information of barrier, according to described view data and local object ATL barrier is carried out images match identification, and the type of the barrier after will discerning and range information send to the voice output module; The voice output module is used for providing to the user by voice mode the type and the range information of described barrier.
Though foregoing invention can provide the information of the place ahead barrier to the person that looks the barrier, still has the following disadvantages:
(1) information of using ultrasonic probe only to gather single direction, the scope that is covered is less;
(2) final information indicating is single, only is voice suggestion; Under noisy environment, this voice suggestion was lost efficacy;
(3) the various information of gathering are not analyzed, judged, and carry out the differentiation prompting by degree of danger.
In a word, foregoing invention since ultrasound information to gather direction single, and the information indicating mode is single, and lack to the information of gathering analyze, function such as judgement, therefore make the guide information not accurate enough, rapid and comparatively harsh to environmental requirement, thus influence prompting effect.
Summary of the invention
Technical problem to be solved by this invention provides a kind of mobile phone and blind-guiding method with guiding function, can be applicable to all-environment prompting for the person that looks the barrier provides rapidly, exactly, thereby obviously improves the prompting effect.
In order to solve the problems of the technologies described above, the invention provides a kind of mobile device with guiding function, comprise guide module and mobile module, this guide module comprises road conditions signal acquisition module, data acquisition process control module and the information indicating module that connects successively, wherein:
The road conditions signal acquisition module, be used under the control of data acquisition process control module, different directions is launched the ultrasonic signal of different frequency in air, and ultrasonic signal met the echo-signal of barrier back reflection, convert the traffic information signal of telecommunication to and export to the data acquisition process control module;
The data acquisition process control module, be connected with mobile module, be used for that the traffic information signal of telecommunication of importing is carried out computational analysis and convert obstacle information to, and according in the mobile module in advance the various guide parameter level data of storage obstacle information classified and encode, produce traffic information and export the information indicating module to;
The information indicating module is connected with mobile module, is used for the traffic information of input is decoded, and generates the different tonic train signals and/or the oscillating sequence signal of different brackets, is prompted to the user by mobile module.
Further, mobile module comprises memory module and information input equipment, and the guide module comprises that also the parameter that is connected with data acquisition process control module, memory module and information input equipment respectively is provided with module, wherein:
Parameter is provided with module, is used under the control of data acquisition process control module, and for the user provides the interface that the guide parameter is set by microphone in the information input equipment and/or keyboard, and the guide parameter that the user is provided with is stored in the memory module; The guide parameter that is provided with for the user comprises the detection range of each grade, the detection angle of each grade, the barrier shape of each grade, barrier translational speed, audible alarm switch, vibration alarm switch, the voice alarm switch of each grade and the combination of any multiple guide parameter in the interval of reporting to the police.
Further, the road conditions signal acquisition module comprises interconnective ultrasonic listening module and inverting model, wherein:
The ultrasonic listening module, comprise at least two pairs of ultrasonic wave transmitting probes and ultrasonic wave receiving transducer, be distributed in the both sides of mobile phone and/or the mobile phone side back to the user when using, wherein, at least two ultrasonic wave transmitting probes are used for the ultrasonic signal of the different frequency that the transmitting transducer with inverting model produces goes out to the spatial emission of two different directions at least, and the ultrasonic wave receiving transducer is used for exporting to the receiving transducer of inverting model from the corresponding echo-signal of ultrasonic signal that at least two different directions receive;
Inverting model is used under the control of data acquisition process control module, and the ultrasonic signal that will be converted to by the high frequency electrical signal that transmitting transducer produces radiating circuit exports the ultrasonic wave transmitting probe to; To be enlarged into the traffic information signal of telecommunication via receiving circuit again by receiving transducer to the signal of telecommunication that the echo-signal of importing converts to, export the data acquisition process control module to.
Further, the data acquisition process control module comprises information analysis module, road conditions sort module and control module, wherein:
The information analysis module, be used to import the traffic information signal of telecommunication from inverting model, by measuring different directions and the transmitted wave signal of frequency and the time difference of echo-signal, computational analysis goes out the orientation, shape, translational speed of barrier and in the distance one or more as obstacle information, exports the road conditions sort module to;
The road conditions sort module, be used for obstacle information with input, compare with the various guide parameter level data of storing in the memory module, classify and encode according to comparative result, form conventional traffic information and export the information indicating module to, or form urgent traffic information and emergency priority information exports the information indicating module to;
Control module, being used to control road conditions signal acquisition module, information analysis module, road conditions sort module, information indicating module and parameter, that the work and the signal between the module of module is set is mutual.
Further, mobile module also comprises information output device, and the information indicating module comprises interconnective conventional road condition advisory module and decode controller, also comprises interconnective urgent road condition advisory module and voice controller; Wherein:
Conventional road condition advisory module is used for the conventional traffic information that receives is exported to decode controller;
Urgent road condition advisory module is used for the urgent traffic information that receives is exported to decode controller, and the emergency priority information that receives is exported to voice controller;
Decode controller, be connected with motor, earphone and/or loud speaker in the information output device, be used for conventional traffic information or urgent traffic information to input, carry out audio decoder by decode controller and produce different tonic train signals, give the user through earphone or loudspeaker plays, and/or vibrate the oscillating sequence signal that decoding produces different brackets by decode controller, be prompted to the user through motor vibrations, simultaneously, the emergency priority information of input is produced the emergency alarm voice signal by the voice controller decoding, give the user through earphone or loudspeaker plays.
In order to solve the problems of the technologies described above, the invention provides a kind of blind-guide device that is integrated in the mobile phone, be connected with the mobile module in the mobile phone, this blind-guide device comprises road conditions signal acquisition module, data acquisition process control module and the information indicating module that connects successively, wherein:
The road conditions signal acquisition module, be used under the control of data acquisition process control module, different directions is launched the ultrasonic signal of different frequency in air, and ultrasonic signal met the echo-signal of barrier back reflection, convert the traffic information signal of telecommunication to and export to the data acquisition process control module;
The data acquisition process control module, be connected with mobile module, be used for that the traffic information signal of telecommunication of importing is carried out computational analysis and convert obstacle information to, and according in the mobile module in advance the various guide parameter level data of storage obstacle information classified and encode, produce traffic information and export the information indicating module to;
The information indicating module is connected with mobile module, is used for the traffic information of input is decoded, and generates the different tonic train signals and/or the oscillating sequence signal of different brackets, is prompted to the user by mobile module.
Further, mobile module comprises memory module and information input equipment, and blind-guide device comprises that also the parameter that is connected with data acquisition process control module, memory module and information input equipment respectively is provided with module, wherein:
Parameter is provided with module, is used under the control of data acquisition process control module, and for the user provides the interface that the guide parameter is set by microphone in the information input equipment and/or keyboard, and the guide parameter that the user is provided with is stored in the memory module; The guide parameter that is provided with for the user comprises the detection range of each grade, the detection angle of each grade, the barrier shape of each grade, barrier translational speed, audible alarm switch, vibration alarm switch, the voice alarm switch of each grade and the combination of any multiple guide parameter in the interval of reporting to the police.
Further, the road conditions signal acquisition module comprises interconnective ultrasonic listening module and inverting model, wherein:
The ultrasonic listening module, comprise at least two pairs of ultrasonic wave transmitting probes and ultrasonic wave receiving transducer, be distributed in the both sides of mobile phone and/or the mobile phone side back to the user when using, wherein, at least two ultrasonic wave transmitting probes are used for the ultrasonic signal of the different frequency that the transmitting transducer with inverting model produces goes out to the spatial emission of two different directions at least, and the ultrasonic wave receiving transducer is used for exporting to the receiving transducer of inverting model from the corresponding echo-signal of ultrasonic signal that at least two different directions receive;
Described inverting model is used under the control of described data acquisition process control module, and the ultrasonic signal that will be converted to by the high frequency electrical signal that transmitting transducer produces radiating circuit exports the ultrasonic wave transmitting probe to; To be enlarged into the traffic information signal of telecommunication via receiving circuit again by receiving transducer to the signal of telecommunication that the echo-signal of importing converts to, export the data acquisition process control module to.
Further, the data acquisition process control module comprises information analysis module, road conditions sort module and control module, wherein:
The information analysis module, be used to import the traffic information signal of telecommunication from inverting model, by measuring different directions and the transmitted wave signal of frequency and the time difference of echo-signal, computational analysis goes out the orientation, shape, translational speed of barrier and in the distance one or more as obstacle information, exports the road conditions sort module to;
The road conditions sort module is used for the obstacle information with input, compares with the various guide parameter level data of storing in the memory module, carries out described classification and coding according to comparative result, forms conventional traffic information and exports the information indicating module to; Or form urgent traffic information and emergency priority information exports the information indicating module to;
Control module, being used to control road conditions signal acquisition module, information analysis module, road conditions sort module, information indicating module and parameter, that the work and the signal between the module of module is set is mutual.
Further, mobile module also comprises information output device, and the information indicating module comprises interconnective conventional road condition advisory module and decode controller, also comprises interconnective urgent road condition advisory module and voice controller; Wherein:
Conventional road condition advisory module is used for the conventional traffic information that receives is exported to decode controller;
Urgent road condition advisory module is used for the urgent traffic information that receives is exported to decode controller, and the emergency priority information that receives is exported to voice controller;
Decode controller, be connected with motor, earphone and/or loud speaker in the information output device, be used for conventional traffic information or urgent traffic information to input, carry out audio decoder by decode controller and produce different tonic train signals, give the user through earphone or loudspeaker plays, and/or vibrate the oscillating sequence signal that decoding produces different brackets by decode controller, be prompted to the user through motor vibrations, simultaneously, the emergency priority information of input is produced the emergency alarm voice signal by the voice controller decoding, give the user through earphone or loudspeaker plays.
In order to solve the problems of the technologies described above, the invention provides a kind of blind-guiding method that is used on the mobile phone, comprising:
When the guide switch is opened behind mobile phone power-on, launch the ultrasonic signal of different frequency to the both direction at least in space according to the guide parameter control mobile phone of storage in advance;
After receiving the echo-signal of ultrasonic signal by the reflection of spatial obstacle thing, by the transmitted wave of measurement different azimuth and frequency and the time difference of corresponding echo-signal, computational analysis goes out obstacle information, and obstacle information is classified and encode according to the various guide parameter level data of storage in advance, produce traffic information;
Traffic information is decoded, generate different tonic train signals by loud speaker or earphone output, and/or the oscillating sequence signal of generation different brackets is exported by motor vibrations.
Further, also comprise:
The user is stored by the guide parameter of microphone on the mobile phone and/or keyboard setting, and the guide parameter that is provided with for the user comprises the detection range of each grade, the detection angle of each grade, the barrier shape of each grade, barrier translational speed, audible alarm switch, vibration alarm switch, the voice alarm switch of each grade and the combination of any multiple guide parameter in the interval of reporting to the police.
Further,
The control mobile phone is meant to the ultrasonic signal of the emission of the both direction at least different frequency in space, launches the ultrasonic signal of different frequency when the both sides of control mobile phone and/or mobile phone use back to user's the side to the both direction at least in space;
The transmitted wave by measuring different azimuth and frequency and the time difference of corresponding echo-signal, the obstacle information that computational analysis goes out comprise one or more obstacle informations in orientation, shape, translational speed and the distance of barrier;
The described traffic information that coding produces comprises the conventional traffic information that coding produces, or the urgent traffic information and the emergency priority information of encoding and producing;
Traffic information decoded to be meant, conventional traffic information or urgent traffic information are carried out audio decoder, generates different tonic train signals and exports by loud speaker or earphone; And/or conventional traffic information or urgent traffic information vibrated decoding, the oscillating sequence signal that generates different brackets is exported by motor vibrations, simultaneously, the emergency priority information of urgent road conditions is carried out tone decoding, generate voice signal by loud speaker or earphone output.
Further, the user is provided with the guide parameter by microphone on the mobile phone and/or keyboard and specifically comprises:
When the guide parameter is provided with switch opens,, and the parameter item of choosing is carried out the parameter setting by the user for the user provides all parameter items that will be provided with;
Whether when the user is provided with as a result by the button input, confirming to be provided with the result with the voice suggestion user is the parameter that needs, if, just switch to the next item down parameter and proceed to be provided with, setting completed until parameter; Proceed the setting of parameter current if not.
Compared with prior art, the present invention gathers multidimensional signal by a plurality of ultrasonic probes that are equipped with different frequency, different directions, and the process data processing is converted to the obstacle information with multiple sign, comprise distance, shape, translational speed of barrier etc., multidimensional signal is treated to different scale (being tone) and is prompted to the person that looks the barrier the most at last, and auxiliary simultaneously have multistage vibration prompt and an emergency speech prompting.By the stimulation of multidimensional information, the person that looks the barrier is become initiatively by passive to the judgement of road conditions.And, by guiding function is combined with mobile phone, greatly improve convenience and enthusiasm that the blind person uses mobile phone, thereby enlarge the scope of application of mobile phone at disabled person user.
Description of drawings
Fig. 1 is the structured flowchart that the present invention has the mobile device of guiding function;
Fig. 2 is the structured flowchart of road conditions signal acquisition module in the guide module of the present invention;
Fig. 3 is the structured flowchart of data processing module in the guide module of the present invention;
The structured flowchart of information indicating module in Fig. 4 guide module of the present invention;
Fig. 5 is the signal flow graph that mobile device that the present invention has a guiding function carries out ultrasonic wave guide data processing;
Fig. 6 is that the guide parameter of blind-guiding method of the present invention is provided with flow chart;
Fig. 7 is the ultrasonic wave emission flow chart of blind-guiding method of the present invention;
Fig. 8 is ultrasonic wave reception, processing and the information indicating/alarm flow figure of blind-guiding method of the present invention.
Embodiment
The present invention has the mobile phone and the blind-guiding method of guiding function, and its inventive concept is: the side back to the user when both sides of mobile phone and/or mobile phone use is distributed with at least two pairs of ultrasonic wave transmitting probes and receiving transducer.During work, the data acquisition process control module is according to setting in advance the guide parameter that is stored in the memory module, activate the ultrasonic wave transmitting probe is launched different frequency to user dead ahead and both sides ultrasonic wave by inverting model, receive echo by the ultrasonic wave receiving transducer simultaneously, and be recycled to the data acquisition process control module by crossing the inverting model conversion.The data acquisition process control module is by measuring the time difference of different azimuth and frequency emission ripple and echo, computational analysis goes out the distance etc. of orientation, shape, translational speed and the peripheral obstacle of barrier, the foundation guide parameter level data of storage is in advance classified to these obstacle informations and is encoded, Bian Ma traffic information is delivered to audio decoder or is vibrated decoder and decode the most at last, convert different tonic train signals or oscillating sequence signal prompt to and give the person that looks the barrier, make the person that looks the barrier initiatively experience the variation of surrounding environment.
Below in conjunction with accompanying drawing and preferred embodiment above-mentioned design of the present invention is launched to describe in detail, thereby clearly set forth out technical scheme of the present invention.
Realize the present invention by in mobile phone, adding guide module of the present invention, the annexation of the mobile module in this guide module and the mobile phone as shown in Figure 1, this guide module comprises control module and the road conditions signal acquisition module, data processing module and the information indicating module that connect successively, comprise that also parameter is provided with module, wherein:
The road conditions signal acquisition module, be used for by transducer and ultrasonic wave emission/receiving transducer, the ultrasonic signal of launching is run into the echo-signal that the barrier back reflection returns through propagating in the air of space, convert the traffic information signal of telecommunication to and export to data processing module;
Data processing module, be connected with the DSP/ microprocessor with the memory module in the mobile module, be used for the traffic information signal of telecommunication of input is carried out computational analysis, convert obstacle information to, and according in the memory module in advance the guide parameter level data of storage these obstacle informations is classified and encode, produce conventional traffic information and promptly traffic information and emergency priority information thereof export the information indicating module to;
The computational analysis that data processing module carries out signal, the classification and the data processing of information can be undertaken by the DSP/ microprocessor in the mobile module.
The information indicating module, be connected with the information output device in the mobile module, be used for will input the traffic information and/or the emergency priority information of routine decode, generate different tonic train signals, perhaps generate different brackets or the oscillating sequence signal, be prompted to the user by the information output device in the mobile module; Perhaps, the class information of urgent road conditions of input is decoded, generate voice signal, be prompted to the user by the information output device in the mobile module;
Parameter is provided with module, be connected with memory module with the information input equipment in the mobile module, be used for (comprising microphone and/or keyboard by information input equipment, not shown in the figures), the interface that is provided with as the guide parameter is provided with the guide parameter for the user, and the parameter that is provided with is stored in the memory module of mobile module;
The guide parameter comprises the detection range of different brackets (being gear), the detection angle of different brackets, the barrier shape of different brackets, barrier translational speed, audible alarm switch, vibration alarm switch, the voice alarm switch of different brackets and the interval etc. of reporting to the police.
Control module is provided with module with road conditions signal acquisition module, data processing module and information indicating module and parameter respectively and is connected, and the work and the signal between the module that are used to control these modules are mutual;
Mobile module is used to the guide module that information input-output apparatus, memory module and the DSP/ microprocessor of bottom are provided.
Guide module shown in Fig. 1 only is a preferred embodiment of the present invention.In addition the present invention can also exemplify out other embodiment.For example, control module is not independently drawn to module dominance as one, but be integrated on the data acquisition process control module (chip) with data processing module, realize Comprehensive Control, as shown in Figure 5 to collection, computational analysis and the data processing of ultrasonic signal.
The structured flowchart of the road conditions signal acquisition module shown in Fig. 1 comprises ultrasonic listening module and inverting model as shown in Figure 2, wherein:
The ultrasonic listening module comprises at least two pairs ultrasonic wave transmitting probe and ultrasonic wave receiving transducer, is distributed in the both sides of mobile phone and/or the mobile phone side (being to be distributed in the three pair ultrasonic wave emission/receiving transducers of mobile phone back to user's front side and both sides in the present embodiment) back to the user when using; Wherein, the ultrasonic wave transmitting probe is connected with transmitting transducer in the inverting model, and the ultrasonic wave receiving transducer is connected (a pair of ultrasonic wave emission/receiving transducer only is shown among Fig. 2 to be connected with emission/receiving transducer respectively) with receiving transducer in the inverting model; The ultrasonic signal that transmitting transducer is produced spatial emission is towards periphery gone out, when ultrasonic wave in air, propagates run into the barrier reflection after, by the ultrasonic wave receiving transducer echo-signal of reception is exported to receiving transducer;
Inverting model comprises transmitting transducer and receiving transducer and emission/receiving circuit, wherein,
Transmitting transducer, the high frequency electrical signal that is used to utilize inverse piezoelectric effect that radiating circuit is produced converts ultrasonic signal to and exports to the ultrasonic wave transmitting probe;
Receiving transducer, the echo-signal that is used to utilize piezoelectric effect that the ultrasonic wave receiving transducer is received converts the signal of telecommunication to and exports to receiving circuit;
Emission/receiving circuit comprises a radiating circuit and a receiving circuit, and wherein, radiating circuit is used for producing high frequency electrical signal under the control of control module; The signal of telecommunication that receiving circuit is used under the control of control module receiving transducer being exported amplifies, and exports data processing module to as the traffic information signal of telecommunication.
The structured flowchart of the data processing module shown in Fig. 1 comprises information analysis module and road conditions sort module as shown in Figure 3, wherein:
The information analysis module is used for by measuring different azimuth and the transmitted wave of frequency and the time difference of echo-signal, and the various obstacle informations such as orientation, shape, translational speed and distance that computational analysis goes out barrier export the road conditions sort module to;
The road conditions sort module, be used for various obstacle informations with input, compare with the various guide parameter level data of (being Flash or the file system in it) storage in advance (storage or default parameters storage being set) in the memory module of mobile module through parameter, classify and encode according to comparative result, traffic information that formation is conventional and urgent traffic information and emergency priority information export the information indicating module to, thereby enter different traffic information prompting and warning.
The structured flowchart of the information indicating module shown in Fig. 1 as shown in Figure 4, comprise interconnective conventional road condition advisory module and decode controller (containing audio decoder and vibration decoder), and interconnective urgent road condition advisory module and voice controller (integrated speech chip); Wherein:
Conventional road condition advisory module, be connected with motor with the loud speaker in the mobile module, be used for the conventional traffic information of input is passed through audio decoder decode, produce different tonic train signals and give the user through loudspeaker plays, and/or by the vibration decoder decode, the oscillating sequence signal of the different brackets of generation is prompted to the user through motor;
Urgent road condition advisory module, also be connected with decode controller, be used for urgent traffic information with input, produce different tonic train signals by audio decoder decode and give the user, and/or be prompted to the user through motor by the oscillating sequence signal of the different brackets that vibrates the decoder decode generation through loudspeaker plays; Simultaneously, the emergency priority information of importing is produced the emergency alarm voice signal by the voice controller decoding, give the user through earphone or loudspeaker plays.
At this, vibration prompt is that tonic train prompting, voice suggestion one well replenishes, even also traffic information can be prompted to the user in noisy environment.
The mobile device that Fig. 5 the present invention has a guiding function carries out the signal flow graph of ultrasonic wave guide data processing, mobile phone back to user's front side to and/or two side directions on, be distributed with at least two pairs of ultrasonic wave transmitting probes and receiving transducer (being to be distributed in the three pair ultrasonic wave emission/receiving transducers of mobile phone in the present embodiment) back to user's front side and both sides.During work (being the guide switch opens), during work, data acquisition process control module (being integrated with control module and data processing module) is according to the guide parameter that sets in advance storage in the memory module, activate the ultrasonic wave transmitting probe is launched different frequency to user dead ahead and both sides ultrasonic wave by inverting model, receive echo by the ultrasonic wave receiving transducer simultaneously, and be recycled to the data acquisition process control module by the inverting model conversion.The data acquisition process control module is by measuring the time difference of different azimuth and frequency emission ripple and echo, computational analysis goes out orientation, shape, translational speed and the distance etc. of barrier, and according in the memory module in advance the guide parameter level data of storage these obstacle informations classified and encode, traffic information behind the coding is delivered to audio decoder or is vibrated decoder and decode the most at last, be converted into different tonic train signals or oscillating sequence signal prompt and give the person that looks the barrier, make the person that looks the barrier initiatively experience the variation of surrounding environment.
The blind-guiding method of the mobile phone by having guiding function of the present invention comprises the steps:
Step 1: the user is stored by the guide parameter of microphone on the mobile phone or keyboard setting;
The guide parameter comprises detection range (different gear), detection angle (different gear), object volume (different gear), movement of objects speed (different gear), audible alarm switch, vibration alarm switch, voice alarm switch and the interval etc. of reporting to the police.
The guide parameter that the user is not provided with can be used the default parameter of storing in advance in the mobile phone as the guide parameter.
Step 2: when the guide switch opens, be controlled at the ultrasonic signal of emission different frequency on the both direction at least according to the guide parameter of storage in advance during mobile phone power-on;
Step 3: after receiving the echo-signal of ultrasonic signal by the reflection of spatial obstacle thing, by the transmitted wave of measurement different azimuth and frequency and the time difference of corresponding echo-signal, computational analysis goes out the obstacle informations such as distance of orientation, shape, translational speed and the peripheral obstacle of barrier, and these obstacle informations are classified and encode according to the guide parameter level data of storage in advance, produce conventional traffic information or promptly traffic information and emergency priority information thereof;
Step 4: conventional traffic information or urgent traffic information are carried out exporting by loud speaker after audio decoder is the tonic train signal; Perhaps, with conventional traffic information or urgent traffic information vibrate be decoded as the oscillating sequence signal after, by motor output, and the class information of urgent road conditions carried out after tone decoding is voice signal, by loud speaker and/or earphone output.
As shown in Figure 6, for the guide parameter in the above-mentioned blind-guiding method is provided with flow process, comprise the steps:
610～630:,, and the parameter item of choosing is carried out the parameter setting by the user for the user provides all parameter items that will be provided with when the guide parameter is provided with switch opens;
640～650: whether when the user is provided with as a result by the button input, confirming to be provided with the result with the voice suggestion user is the parameter that needs, if execution in step 660, repeated execution of steps 630 if not, continue the setting of parameter current;
660: switch to next parameter, circulation is provided with, up to withdrawing from.
Be the flow chart of the ultrasonic wave emission process in the above-mentioned blind-guiding method as shown in Figure 7, comprise the steps:
710,730: judging whether the guide parameter need be set, is that necessary guide parameter then is set, otherwise uses default setting or existing the setting;
720～760: when judging the guide switch opens, the control radiating circuit produces high-frequency signal, and convert this high frequency electrical signal to ultrasonic signal by transmitting transducer, the ultrasonic signal that produces is transmitted in the surrounding space according to certain interval (sending once) by the ultrasonic wave transmitting probe and goes as per second, if the guide switch continues to open, the execution in step that then circulates 720～760 processes; If the guide switch cuts out, then finish the ultrasonic wave emission process.
Be ultrasonic echo reception, processing and information indicating and the alarm flow in the above-mentioned blind-guiding method as shown in Figure 8, comprise the steps:
801～803: when judging the guide switch opens, the ultrasonic echo signal that the ultrasonic wave receiving transducer is received converts the signal of telecommunication to by receiving transducer, and it is enlarged into the traffic information signal of telecommunication; If the guide switch cuts out, then process ends.
804～806,808: by the transmitted wave of different azimuth and frequency and the time difference of echo-signal (converting out) by the traffic information signal of telecommunication, computational analysis goes out the obstacle informations such as distance of orientation, shape, translational speed and the peripheral obstacle of barrier, and the various guide parameter level data of obstacle information with storage in advance (storage or default parameters storage being set through parameter) are compared, classify and encode according to comparative result, produce conventional traffic information or urgent traffic information and emergency priority information thereof;
807,809: conventional traffic information or urgent traffic information are decoded as different tonic train signals, export loud speaker to; Perhaps, the oscillating sequence signal that conventional traffic information or urgent traffic information is decoded as different brackets exports vibrator to; With the emergency priority information decoding is that voice signal exports loud speaker or earphone to.
Audio frequency or the tone of representing different azimuth interval, different distance, different sizes for example can be provided, can open left and right sides motor simultaneously and carry out aid prompting by different combination of vibrations; If urgent traffic information except its input scale integrated circuit or mini vibrator are decoded, extracts emergency priority information wherein simultaneously and is entered into the integrated speech chip, be used for the emergency alarm of emergency case.
In sum, the present invention gathers multidimensional signal by a plurality of ultrasonic probes that are equipped with different frequency, different directions, and the process data processing is converted to the obstacle information with multiple sign, comprise distance, shape, translational speed of barrier etc., multidimensional signal is treated to different scale (being tone) and is prompted to the person that looks the barrier the most at last, and auxiliary simultaneously have multistage vibration prompt and an emergency speech prompting.By the stimulation of multidimensional information, the person that looks the barrier is become initiatively by passive to the judgement of road conditions.And, by guiding function is combined with mobile phone, greatly improve convenience and enthusiasm that the blind person uses mobile phone, thereby enlarge the scope of application of mobile phone at disabled person user.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (14)
1. the mobile device with guiding function comprises guide module and mobile module, it is characterized in that, described guide module comprises road conditions signal acquisition module, data acquisition process control module and the information indicating module that connects successively, wherein:
Described road conditions signal acquisition module, be used under the control of described data acquisition process control module, different directions is launched the ultrasonic signal of different frequency in air, and described ultrasonic signal met the echo-signal of barrier back reflection, convert the traffic information signal of telecommunication to and export to described data acquisition process control module;
Described data acquisition process control module, be connected with described mobile module, be used for that the described traffic information signal of telecommunication of importing is carried out computational analysis and convert obstacle information to, and according in the described mobile module in advance the various guide parameter level data of storage described obstacle information is classified and encodes, produce traffic information and export described information indicating module to;
Described information indicating module is connected with described mobile module, is used for the described traffic information of input is decoded, and generates the different tonic train signals and/or the oscillating sequence signal of different brackets, is prompted to the user by described mobile module.
2. according to the described mobile device of claim 1, it is characterized in that, described mobile module comprises memory module and information input equipment, described guide module also comprises respectively and with described data acquisition process control module, described memory module and the parameter that described information input equipment is connected module is set, wherein:
Described parameter is provided with module, be used under the control of described data acquisition process control module, for the user provides the interface that the guide parameter is set by microphone in the described information input equipment and/or keyboard, and the guide parameter that the user is provided with is stored in the described memory module; The described guide parameter that is provided with for the user comprises the detection range of each grade, the detection angle of each grade, the barrier shape of each grade, barrier translational speed, audible alarm switch, vibration alarm switch, the voice alarm switch of each grade and the combination of any multiple guide parameter in the interval of reporting to the police.
3. according to claim 1 or 2 described mobile devices, it is characterized in that described road conditions signal acquisition module comprises interconnective ultrasonic listening module and inverting model, wherein:
Described ultrasonic listening module, comprise at least two pairs of ultrasonic wave transmitting probes and ultrasonic wave receiving transducer, be distributed in the both sides of mobile phone and/or the mobile phone side back to the user when using, wherein, at least two described ultrasonic wave transmitting probes are used for the ultrasonic signal of the different frequency that the transmitting transducer with described inverting model produces goes out to the spatial emission of two different directions at least, and described ultrasonic wave receiving transducer is used for exporting to the receiving transducer of described inverting model from the corresponding echo-signal of described ultrasonic signal that described at least two different directions receive;
Described inverting model is used under the control of described data acquisition process control module, and the ultrasonic signal that will be converted to by the high frequency electrical signal that described transmitting transducer produces radiating circuit exports described ultrasonic wave transmitting probe to; To be enlarged into the traffic information signal of telecommunication via receiving circuit again by described receiving transducer to the signal of telecommunication that the described echo-signal of importing converts to, export described data acquisition process control module to.
4. according to the described mobile device of claim 2, it is characterized in that described data acquisition process control module comprises information analysis module, road conditions sort module and control module, wherein:
Described information analysis module, be used to import the described traffic information signal of telecommunication from described inverting model, by measuring different directions and the transmitted wave signal of frequency and the time difference of echo-signal, computational analysis goes out the orientation, shape, translational speed of barrier and in the distance one or more as obstacle information, exports the road conditions sort module to;
Described road conditions sort module, be used for described obstacle information with input, compare with the described various guide parameter level data of storing in the described memory module, carry out described classification and coding according to comparative result, form conventional traffic information and export described information indicating module to, or form urgent traffic information and emergency priority information exports described information indicating module to;
Described control module, being used to control described road conditions signal acquisition module, described information analysis module, described road conditions sort module, described information indicating module and described parameter, that the work and the signal between the module of module is set is mutual.
5. according to the described mobile device of claim 4, it is characterized in that, described mobile module also comprises information output device, and described information indicating module comprises interconnective conventional road condition advisory module and decode controller, also comprises interconnective urgent road condition advisory module and voice controller; Wherein:
Described conventional road condition advisory module is used for the described conventional traffic information that receives is exported to described decode controller;
Described urgent road condition advisory module be used for the described urgent traffic information that receives is exported to described decode controller, and the described emergency priority information that will receive is exported to described voice controller;
Described decode controller, with the motor in the described information output device, earphone and/or loud speaker connect, be used for described conventional traffic information or described urgent traffic information to input, carry out audio decoder by described decode controller and produce different tonic train signals, give the user through described earphone or described loudspeaker plays, and/or vibrate the oscillating sequence signal that decoding produces different brackets by described decode controller, be prompted to the user through described motor vibrations, simultaneously, the emergency priority information of input is produced the emergency alarm voice signal by described voice controller decoding, give the user through described earphone or described loudspeaker plays.
6. blind-guide device that is integrated in the mobile phone is connected with mobile module in the described mobile phone, it is characterized in that described blind-guide device comprises road conditions signal acquisition module, data acquisition process control module and the information indicating module that connects successively, wherein:
Described road conditions signal acquisition module, be used under the control of described data acquisition process control module, different directions is launched the ultrasonic signal of different frequency in air, and described ultrasonic signal met the echo-signal of barrier back reflection, convert the traffic information signal of telecommunication to and export to described data acquisition process control module;
Described data acquisition process control module, be connected with described mobile module, be used for that the described traffic information signal of telecommunication of importing is carried out computational analysis and convert obstacle information to, and according in the described mobile module in advance the various guide parameter level data of storage described obstacle information is classified and encodes, produce traffic information and export described information indicating module to;
Described information indicating module is connected with described mobile module, is used for the described traffic information of input is decoded, and generates the different tonic train signals and/or the oscillating sequence signal of different brackets, is prompted to the user by described mobile module.
7. according to the described blind-guide device of claim 6, it is characterized in that, described mobile module comprises memory module and information input equipment, described blind-guide device also comprises respectively and with described data acquisition process control module, described memory module and the parameter that described information input equipment is connected module is set, wherein:
Described parameter is provided with module, be used under the control of described data acquisition process control module, for the user provides the interface that the guide parameter is set by microphone in the described information input equipment and/or keyboard, and the guide parameter that the user is provided with is stored in the described memory module; The described guide parameter that is provided with for the user comprises the detection range of each grade, the detection angle of each grade, the barrier shape of each grade, barrier translational speed, audible alarm switch, vibration alarm switch, the voice alarm switch of each grade and the combination of any multiple guide parameter in the interval of reporting to the police.
8. according to claim 6 or 7 described blind-guide devices, it is characterized in that described road conditions signal acquisition module comprises interconnective ultrasonic listening module and inverting model, wherein:
Described ultrasonic listening module, comprise at least two pairs of ultrasonic wave transmitting probes and ultrasonic wave receiving transducer, be distributed in the both sides of mobile phone and/or the mobile phone side back to the user when using, wherein, at least two described ultrasonic wave transmitting probes are used for the ultrasonic signal of the different frequency that the transmitting transducer with described inverting model produces goes out to the spatial emission of two different directions at least, and described ultrasonic wave receiving transducer is used for exporting to the receiving transducer of described inverting model from the corresponding echo-signal of described ultrasonic signal that described at least two different directions receive;
Described inverting model is used under the control of described data acquisition process control module, and the ultrasonic signal that will be converted to by the high frequency electrical signal that described transmitting transducer produces radiating circuit exports described ultrasonic wave transmitting probe to; To be enlarged into the traffic information signal of telecommunication via receiving circuit again by described receiving transducer to the signal of telecommunication that the described echo-signal of importing converts to, export described data acquisition process control module to.
9. according to the described blind-guide device of claim 7, it is characterized in that described data acquisition process control module comprises information analysis module, road conditions sort module and control module, wherein:
Described information analysis module, be used to import the described traffic information signal of telecommunication from described inverting model, by measuring different directions and the transmitted wave signal of frequency and the time difference of echo-signal, computational analysis goes out the orientation, shape, translational speed of barrier and in the distance one or more as obstacle information, exports described road conditions sort module to;
Described road conditions sort module, be used for described obstacle information with input, compare with the described various guide parameter level data of storing in the described memory module, carry out described classification and coding, form conventional traffic information and export described information indicating module to according to comparative result; Or form urgent traffic information and emergency priority information exports described information indicating module to;
Described control module, being used to control described road conditions signal acquisition module, described information analysis module, described road conditions sort module, described information indicating module and described parameter, that the work and the signal between the module of module is set is mutual.
10. according to the described blind-guide device of claim 9, it is characterized in that, described mobile module also comprises information output device, and described information indicating module comprises interconnective conventional road condition advisory module and decode controller, also comprises interconnective urgent road condition advisory module and voice controller; Wherein:
Described conventional road condition advisory module is used for the described conventional traffic information that receives is exported to described decode controller;
Described urgent road condition advisory module be used for the described urgent traffic information that receives is exported to described decode controller, and the described emergency priority information that will receive is exported to described voice controller;
Described decode controller, with the motor in the described information output device, earphone and/or loud speaker connect, be used for described conventional traffic information or described urgent traffic information to input, carry out audio decoder by described decode controller and produce different tonic train signals, give the user through described earphone or described loudspeaker plays, and/or vibrate the oscillating sequence signal that decoding produces different brackets by described decode controller, be prompted to the user through described motor vibrations, simultaneously, the emergency priority information of input is produced the emergency alarm voice signal by described voice controller decoding, give the user through described earphone or described loudspeaker plays.
11. a blind-guiding method that is used on the mobile phone comprises:
When the guide switch is opened behind described mobile phone power-on, control the ultrasonic signal of described mobile phone to the emission of the both direction at least different frequency in space according to the guide parameter of storage in advance;
After receiving the echo-signal of described ultrasonic signal by the reflection of spatial obstacle thing, by the transmitted wave of measurement different azimuth and frequency and the time difference of corresponding echo-signal, computational analysis goes out obstacle information, and described obstacle information is classified and encode according to the various guide parameter level data of storage in advance, produce traffic information;
Described traffic information is decoded, generate different tonic train signals by loud speaker or earphone output, and/or the oscillating sequence signal of generation different brackets is exported by motor vibrations.
12. in accordance with the method for claim 11, it is characterized in that, also comprise:
The user is stored by the guide parameter of microphone on the described mobile phone and/or keyboard setting, and the described guide parameter that is provided with for the user comprises the detection range of each grade, the detection angle of each grade, the barrier shape of each grade, barrier translational speed, audible alarm switch, vibration alarm switch, the voice alarm switch of each grade and the combination of any multiple guide parameter in the interval of reporting to the police.
13. according to claim 11 or 12 described methods, it is characterized in that,
Control described mobile phone and be meant to the ultrasonic signal of the both direction at least in space emission different frequency, when controlling the both sides of described mobile phone and/or mobile phone and using back to user's the side ultrasonic signal to the emission of the both direction at least different frequency in space;
The transmitted wave by measuring different azimuth and frequency and the time difference of corresponding echo-signal, the obstacle information that computational analysis goes out comprise one or more obstacle informations in orientation, shape, translational speed and the distance of barrier;
The described traffic information that described coding produces comprises the conventional traffic information that coding produces, or the urgent traffic information and the emergency priority information of encoding and producing;
Described traffic information decoded to be meant, described conventional traffic information or described urgent traffic information are carried out audio decoder, generates different tonic train signals by loud speaker or earphone output; And/or described conventional traffic information or described urgent traffic information vibrated decoding, the oscillating sequence signal that generates different brackets is exported by motor vibrations, simultaneously, the emergency priority information of described urgent road conditions is carried out tone decoding, generate voice signal by loud speaker or earphone output.
14. in accordance with the method for claim 13, it is characterized in that the user is provided with the guide parameter by microphone on the described mobile phone and/or keyboard and specifically comprises:
When the guide parameter is provided with switch opens,, and the parameter item of choosing is carried out the parameter setting by the user for the user provides all parameter items that will be provided with;
Whether when the user is provided with as a result by the button input, confirming to be provided with the result with the voice suggestion user is the parameter that needs, if, just switch to the next item down parameter and proceed to be provided with, setting completed until parameter; Proceed the setting of parameter current if not.
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